Finding the Fourth Proportional to 80,959.51, 121,447.37 and 24,798.97
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Solution
The fourth proportional to 80,959.51, 121,447.37 and 24,798.97 is: 37,200.94
Step by Step Solution
- Step 1: Write the proportion equation
80,959.51 : 121,447.37 = 24,798.97 : x - Step 2: Convert to fraction form
80,959.51/121,447.37 = 24,798.97/x - Step 3: Cross multiply
80,959.51x = 121,447.37 × 24,798.97 - Step 4: Simplify right side
80,959.51x = 3,011,769,685.21 - Step 5: Solve for x
x = 3,011,769,685.21/80,959.51 - Step 6: Final answer
x = 37,200.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.